TCP CLIENT PROGRAM

#include<sys/types.h>
#include<sys/socket.h>
#include<sys/time.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<netdb.h>
#include<stdio.h>
#include<unistd.h>
#include<string.h>
int main(int argc, char ** argv)
{
    int sd,rc,i;
    struct sockaddr_in cliAddr, servAddr;
    struct hostent *h;
    char msg[100];
    h=gethostbyname(argv[1]);
    if(h==NULL)
    {
        printf("No such server found: %s\n",argv[1]);
        exit(1);
    }
    printf("Sending data...\n");
    servAddr.sin_family=h->h_addrtype;
    memcpy((char*)servAddr.sin_addr.s_addr,h->h_addr_list[0],h->h_length);
    servAddr.sin_port=htons(1680);
    sd=socket(AF_INET,SOCK_STREAM,0);
    if(sd<0)
    {
        printf("error\n");
        exit(1);
    }
    cliAddr.sin_family=AF_INET;
    cliAddr.sin_addr.s_addr=htonl(INADDR_ANY);
    cliAddr.sin_port=htons(0);
    rc=bind(sd,(struct sockaddr*)&cliAddr,sizeof(cliAddr));
    if(rc<0)
    {
        printf("Cannot bind!\n");
        exit(1);
    }
    for(i=2;i<argc;i++)
    {
        rc=send(sd,argv[i],strlen(argv[i])+1,0);
        if(rc<0)
        {
            printf("Cannon send data...\n");
            exit(1);
        }
    }
}